SourceMartha Stewart Living, May 1998
3 cups seeded watermelon, cut into 1 1/2-inch pieces
1 1/2 cups white vermouth
1 1/2 tablespoons superfine sugar
3 cups crushed ice
Edible pansies, for garnish
Place watermelon, vermouth, and sugar in a blender; process until watermelon has been liquefied, about 10 seconds. Add ice; process 3 seconds more. Garnish with pansies, and serve in chilled glasses.